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JBD PUBLICATION-MODEL PAPER (13)-EXERCISE
- In a circle of diameter 40 cm, the length of a chord is 20 cm. Find th...
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- Prove the following: cos^2 2x - cos^2 6x = sin 4x sin 8x
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- Simplify: (1-i)^2/(1+i)^2
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- Show that the middle term in the expansion of (1+x)^(2n) is (1.3.5….(2...
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- Write the general term in the expansion of (x^2-y)^6.
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- Using section formula, prove that the three points (-4,6,10), (2,4,6) ...
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- Find the component statement of the following and check whether they a...
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- In a group of 65 people, 40 like cricket, 10 like both cricket and ten...
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- If f (x) =x^3-1/x^3, find the value of f (x) +f (1/x).
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- Prove that:(tan^2 20- tan^2 theta)/(1- tan^2 20 tan^2 theta)=tan30 tan...
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- Prove, by Mathematical Induction, that for all n in N, 2.7^n+3.5^n-5...
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- How many different numbers between 100 and 1000 can be formed from the...
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- The ratio of the.A.M. and G.M. of two positive numbers a and b is m : ...
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- If the sum to infinity of the series 3+5r+7r^2+………is 44/9. Find r.
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- The line 2x-3y=4 is perpendicular bisector of the line AB. If the coor...
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- Find the equation of ellipse whose vertices are (pm13,0) and foci are ...
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- Find underset(xrarr1)lim f(x), where f(x)={(x^2-1, x le 1),(-x^2-1, x>...
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- Find the derivative of x^4-5 at x=10.
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- In a single throw of two dice, find the probability of total of 9 or I...
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- A bag contains 5 black and 3 white balls. Two balls are drawn at rando...
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