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14901.

Differentiate the function (1)/(2 x - 3) by First Principle of differentiation.

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ANSWER :`-(2)/((2X - 3)^(2))`
Discussion
14902.

Find equation of line passes from point of intersection at lines x-y-1 =0 and 2x - 3y + 1 =0. Which is (i) Parallel to X- axis. (ii) Parallel to Y- axis and (iii) Parallel to line 3x+4y=14.

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ANSWER :(i) `y=3` (II) `x=4` (III) `3x+4y=24`
Discussion
14903.

If ((1i)^(2))/(2-i)=x+iy, then find the value of x+y.

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ANSWER :`(2)/(5)`
Discussion
14904.

If f(x)=cos^(2)x+sec^(2)x, then

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ANSWER :FALSE STATEMENT
Discussion
14905.

Four people are chosen at random from a group consisting of 3men , 2 women , and 3 children. Find the probability that out of four chosen people , exactly 2 are children ?

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ANSWER :`(3)/(7)`
Discussion
14906.

Eccentricity of ellipse 9x^2+25y^2=225 is ........

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ANSWER :`4/5`
Discussion