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JBD PUBLICATION-MODEL PAPER (8)-EXERICSE
- If y=(sinx)/(1+cosx), then value of (dy)/(dx) is:
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- In a single toss of three coins, the probability of getting head and t...
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- Find the angle between the minute hand and the hour hand of a clock wh...
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- Prove that: tan3A. tan2A. tanA=tan3A-tan2A-tanA
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- Find the real numbers x and v if (x -iy) (3 + 5i) is the conjugate of ...
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- Prove that the coefficient of x^(n) in (1+x)^(2n) is twice the coeffi...
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- Write the middle term in the expansion of (2x^2-1/x)^10.
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- A point R with x-co-ordinate 4 lies on the line segment joining the po...
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- Find out which of the following sentences are statements and which are...
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- Find out which of the following sentences are statements and which are...
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- Rewrite the following statement if then in five different ways conveyi...
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- There are 210 members in a club. 100 of them drink tea and 65 drink te...
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- If y=f(x)=(2x+3)/(5x-2), prove that f(y)=x.
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- If sin theta= n sin(theta+2 alpha), show that : tan(theta+ alpha)=(1+n...
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- Prove by mathematical induction that 1+3+3^2+…………+3^(n-1)=(3^n -1)/2
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- Find the number of words which can be made by using all the letters of...
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- If C(n,10)=C(n,12), determine n and hence C(n,5).
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- The A.M. between two positive numbers is 34 and their G.M. is 16. find...
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- If (a^n+b^n)/(a^(n-1)+b^(n-1)) is the A.M. between a and b, then find ...
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- Find the equations of the lines, which pass through the point (4, 5) a...
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