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JBD PUBLICATION-MODEL PAPER (15)-EXERCISE
- What is the set builder form of the set {1,2,3}.
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- The range of the function f(x)=(x+2)/|x+2|, xne-2 is:
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- The solutions of the equation sin^2x+3sinx=0 is:
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- The value of (2+sqrt(3))(2-sqrt(3)) is:
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- nCr+^nC(r+1)=^(n+1)Cx, then x is equal to:
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- The nth term of a G.P. is 128 and the sum of its n terms is 225. If it...
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- The three striaght lines ax+by=c, bx+cy=a and cx+ay=b are collinear if...
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- If the circle x^2+y^2+2ax+8y+16=0 touches x axis, then the vlaue of a ...
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- In a single toss of three coins, the probability of getting head and t...
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- Prove that:(sinx +sin3x)/(cosx+cos3x)=tan2x
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- Prove that (sin(x+y))/(sin(x-y))=(tanx+tany)/(tanx-tany)
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- If z1= 2 -i, z2= 1+ i, find |(z1+z2+1)/(z1-z2+1)|.
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- Show that 9^(n+1) - 8n -9 is divisible by 64, whenever n is a positiv...
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- Compute (98)^5
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- Using distance formula, show that the points A(6,-7,1), B(2,-3,1) and ...
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- Show that the statement is true by the method of contradiction. If x i...
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- Find the component statement of the following and check whether they a...
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- Prove that A^c-B^c=B-A.
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- If f(x)=log(x/(x-1)), show that f(x+1)+f(x)=log ((x+1)/(x-1))
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- Prove that:cos15^@-sin15^@=1/sqrt2
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