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JBD PUBLICATION-MODEL PAPER (12)-EXERCISE
- Show tha: cos6A=32cos^6A-48cos^4A+18cos^2A-1
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- 1^2+2^2+3^3+.....+n^2=(n(n+1)(2n+1))/(6)
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- If ^nC3=56 and ^nP3=336, find n .
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- The English alphabet has 5 vowels and 21 consonants. How many words wi...
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- The sum of two numbers is 6 times their G.M. show that numbers are in ...
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- Between 1 and 31, n A.M's have been inserted in sucha a way that the r...
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- In which ratio is the line joining the points (1,3) and (2,7) is divid...
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- Find the equation of hyperbola whose foic are (0, pm12) and length of ...
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- Evaluate:underset(xrarr0)lim (1-cos2x)/(3tan^2x)
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- Differentiate: (acos x+bsinx+c)/(sinx) w.r.t.x.
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- Three coins are tossed once. Find the probability of getting at least ...
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- Three coins are tossed once. Find the probability of getting at most t...
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- If (x + iy)^3 = u + iv, then show that u/x +v/y = 4(x^2 - y^2)
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- Find the square root fo 1 - i.
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- Find all pairs of consecutive odd positive integers both of which are ...
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- Solve the given inequality -5 < (x - 2)/5 le 0
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- Find underset(xrarr0)f(x) where f(x)={(2x+3, xle0),(3(x+1), x>0):}
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- Find the derivative of (sin x + cos x) from the first principle.
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- Find the mean deviation from mean:
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- Find the mean for the following data: 13,17,16,14,11,13,10,16,18,12,17
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