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Questions asked by balaji.thirumalai
Questions
4474
questions
1
answer selected
(chatquestion)...In A PQR, right-angled at Q. PR + QR = 25 cm and PQ = 5 cm. Determine the values of sin P, cos P and tan P.
other
telegram-1779
asked
May 26, 2020
1
answer
(chatquestion)...1- tan A 8. If 3 cot A = 4, check whether = cos? A – sin²A or not. %3D 1 + tan?A Sin
other
telegram-1776
asked
May 26, 2020
1
answer
(chatquestion)...7. Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0° and 450 8.5 Trigonometric Idontition
other
telegram-1772
asked
May 26, 2020
1
answer
(chatquestion)...6. IfA, B and C are interior angles of a triangle ABC, then show that B+C sin. cos A = COS 2
other
telegram-1769
asked
May 26, 2020
1
answer
(chatquestion)...Question No.8 1.00 Bookmark In a certain code language, if ABOUT is coded as EDRWX, then how is DAILY coded in that language? ఒక ప్రత్యేకమైన కోడ్ భాషలో, ABOUT ను EDRWX గా కోడ్ చేస్తే, ఆ భాషలో DAILY ఎలా కోడ్ చేయబడుతుంది (A) O CPMEH СРМЕН GDLOB (Chosen option) GDLOB (B) (C) O DGLBO DGLBO (D) O WZROB
other
telegram-1765
asked
May 26, 2020
1
answer
(chatquestion)...Prove that the function f given by f(x) = |x – 1|, x eR is not differentiable at x = 1.
other
telegram-1761
asked
May 26, 2020
1
answer
(chatquestion)...Prove that the greatest integer function defined by f(x) = [x], 0<x <3 is not differentiable at x = 1 and x = 2.
other
telegram-1756
asked
May 26, 2020
1
answer
(chatquestion)...sin (ax + b)
other
telegram-1754
asked
May 26, 2020
1
answer
(chatquestion)...- cos (sin x)
other
telegram-1752
asked
May 26, 2020
1
answer
(chatquestion)...sin (x² + 5)
other
telegram-1749
asked
May 26, 2020
1
answer
(chatquestion)...9. Thirteen resistors each of resistance R are connected in the circuit as shown in figure. Net resistance between A and Bis KE ww OB ww ww (a) 2R 4R (b) 3 2R 3 (d) R 1 D: ww
other
telegram-1744
asked
May 26, 2020
1
answer
(chatquestion)...3. Six resistors each of 10 ohm are connected as shown. The equivalent resistance between points X and Y is ww (а) 20 Q (b) 5 2 (c) 25/3 2 (d) 10 2 nonnoctod in the circuit as shown in figure. Net
other
telegram-1740
asked
May 26, 2020
1
answer
(chatquestion)...Rate of dissipation of Joule's heat in resistance per unit volume is (symbols have usual meanings) (a) oE (b) oJ (c) JE (d) None of these The variation of current ( Dand y
other
telegram-1736
asked
May 26, 2020
1
answer
(chatquestion)...In the circuit shown, what is the potential difference Vpo 20 2V= 4V= (a) +3V (c)- 2V (b) + 2V (d) None of these www
other
telegram-1734
asked
May 26, 2020
1
answer
(chatquestion)...7. Two conducting spheres of radius R and 2R lying far apart, are connected by a conducting wire. If a charge Q is given to the system, the common potential will be (a) kQ/R kQ/2R (b) kQ/3R (c) (d) kQ/5R
other
telegram-1732
asked
May 26, 2020
0
answers
(chatquestion)...Question No.19 1.00 Bookmark 97+6x13/(312+4) = ? 97+6x13/(312+4) = ? (A) O 92 92 (B) 94 94 (C) O 98 (Chosen option) 98 (D) 96 96
other
telegram-1729
asked
May 26, 2020
1
answer
(chatquestion)...Question No.8 1.00 Bookmark In a certain code language, if ABOUT is coded as EDRWX, then how is DAILY coded in that language? ఒక ప్రత్యేకమైన కోడ్ భాషలో, ABOUT ను EDRWX గా కోడ్ చేస్తే, ఆ భాషలో DAILY ఎలా కోడ్ చేయబడుతుంది (A) O CPMEH СРМЕН GDLOB (Chosen option) GDLOB (B) (C) O DGLBO DGLBO (D) O WZROB
other
telegram-1727
asked
May 26, 2020
1
answer
(chatquestion)...tリサ+3とこ 133 っ + 19...(Pls I need help on this question)
other
telegram-62416
asked
May 25, 2020
1
answer
(chatquestion)...tリサ+3とこ 133 っ + 19...(Pls I need help on this question)
other
telegram-1718
asked
May 25, 2020
1
answer
(chatquestion)...dy If x = a (20 - sin 20) and y = a (1- cos 20), find when 0 = " dx 3
other
telegram-1713
asked
May 25, 2020
1
answer
(chatquestion)...Using properties of determinants, prove that 1 1 1+3x 1+ 3y 1 1 = 9 (3xyz + xy + yz + zx) 1 1+ 3z 1
other
telegram-1711
asked
May 25, 2020
1
answer
(chatquestion)...2 3 Given A = compute A- and show that 2A-1 = 91 – A. 7
other
telegram-1707
asked
May 25, 2020
1
answer
(chatquestion)...Prove that : 1 3 sin-x = sin (3x – 4x*), x€ 2
other
telegram-1705
asked
May 25, 2020
1
answer
(chatquestion)...dx If x- a cos'e, y- a sin'o then find dx
other
telegram-1699
asked
May 25, 2020
1
answer
(chatquestion)...dy 1If x + y - m', then find the value of dx
other
telegram-1697
asked
May 25, 2020
1
answer
(chatquestion)...Find the derivative of log (sin x) w.r.t. log,(cos x).
other
telegram-1695
asked
May 25, 2020
1
answer
(chatquestion)...dy _Y It (x + y = x".y then prove that
other
telegram-1692
asked
May 25, 2020
1
answer
(chatquestion)...dy y If (x + y"= x".y then prove that
other
telegram-1690
asked
May 25, 2020
0
answers
(chatquestion)...dy 1-y2 If V1-x +1- y = a(x-y) then show that dx V1
other
telegram-1686
asked
May 25, 2020
1
answer
(chatquestion)...dy 5-* dx 0. If 5+ 5 = 5y then prove that
other
telegram-1684
asked
May 25, 2020
1
answer
(chatquestion)...If xyi-y +y1-x a then show that dx
other
telegram-1681
asked
May 25, 2020
1
answer
(chatquestion)...dy then dx 17. If y sin 2 tan
other
telegram-1675
asked
May 25, 2020
1
answer
(chatquestion)...2x 16. If y- tan 1-. 2 tan <x <1 find dy
other
telegram-1673
asked
May 25, 2020
1
answer
(chatquestion)...15. For what value of p, Jx" sin(1'x) x 0 f(x) = is derivable at x = 0. X =0
other
telegram-1669
asked
May 25, 2020
1
answer
(chatquestion)...14. Prove that Rx) x+ 1 is continuous at x - -1, but not derivable at *- -1.
other
telegram-1667
asked
May 25, 2020
1
answer
(chatquestion)...For what values of a and b x +2a |x + 2 a + b X + 2 if x < -2 f(x) if x -2 is continuous at x 2. + 2b if x > -2 x +21
other
telegram-1662
asked
May 25, 2020
1
answer
(chatquestion)...kx + 5, 0sx < 2 2s xs 3 For what value of k, 1(x) 3x is continuous 1- 3x Vx e[0,3).
other
telegram-1660
asked
May 25, 2020
1
answer
(chatquestion)...Discuss the continuity of following functions at the indicated points. x - |x| (i) f(x)= at x = 0. 2. X = 0
other
telegram-1657
asked
May 25, 2020
1
answer
(chatquestion)...19. If the equation (m– n)x² + (n- I)x+1–m= 0 | has equal roots, then l, m and n satisfy (а) 21% т +n (b) 2m = n +l (с) т-п+l (d) 1-т+n
other
telegram-1655
asked
May 25, 2020
1
answer
(chatquestion)...19. If the equation (m– n)x² + (n- I)x+1–m= 0 | has equal roots, then l, m and n satisfy (а) 21% т +n (b) 2m = n +l (с) т-п+l (d) 1-т+n
other
telegram-1653
asked
May 25, 2020
1
answer
(chatquestion)...Find the integrating factor of the differential equation dy X- +y dx
other
telegram-1649
asked
May 24, 2020
1
answer
(chatquestion)...If ja-4 and -3<as2, then 1aä| lies in (A) [0,12]| (B) 12,3| (C) 18,12| (D) 1-12,8]
other
telegram-1646
asked
May 24, 2020
1
answer
(chatquestion)...If A is a non-singular square matrix of order 3 such that a’ = 3A, en (A) -3 (B) 3 (C) 9 (D) 27
other
telegram-1644
asked
May 24, 2020
1
answer
(chatquestion)...The angle between the vectors î-j and ĵ-k is (A) - (B) 0 (C) ; (D) 2*
other
telegram-1641
asked
May 24, 2020
1
answer
(chatquestion)...The relation R in the set {1, 2, 3} given by R={(1,2), (2,1), (1,1)} is (A) symmetric and transitive, but not reflexive (B) reflexive and symmetric, but not transitive (C) symmetric, but neither reflexive nor transitive (D) an equivalence relation
other
telegram-1638
asked
May 24, 2020
1
answer
(chatquestion)...The coordinate of the foot of the perpendicular drawn from the point (2, -3, 4) on the y-axis is (A) (2, 3, 4) (B) (-2, -3, -4) (C) (0, -3, 0) (D) (2, 0, 4)
other
telegram-1633
asked
May 24, 2020
1
answer
(chatquestion)...The function rR-- is discontinuous at (A) both one-one an onto (B) not one-one, but onto (C) one-one, but not onto (D) neither one-one, nor onto
other
telegram-1631
asked
May 24, 2020
1
answer
(chatquestion)...The function f(x) = x-1 is discontinuous at x(x² –1)
other
telegram-1628
asked
May 24, 2020
1
answer
(chatquestion)...2. If cmf sin“ + con" ]-, then x is equal to co sin" (A) (B) - (C) (D) 1
other
telegram-1624
asked
May 24, 2020
1
answer
(chatquestion)...1. The area of a triangle formed by vertices O, A and B, where (A) 5sq.units (B) 55sq.units (C) 65 sq.units (D) 4sq.units
other
telegram-1622
asked
May 24, 2020
1
answer
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