If y- -1 then the value of 1-1-y-1-y2-1-y3-1-y4-1-y5 is

The correct option is B 0 1+1/y+1/y^2+1/y^3+1/y^4+1/y^5 Put the value y= 1Then 1+1/ 1+1/( 1)^2+1/( 1)^3+1/( 1)^4+1/( 1)^5= 1 1+1 1+1 1= 3 3=0 ...

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Logarithmic Differentiation

If y= -1 then...

Question

If y= -1 then the value of
$1 + \frac{1}{y} + \frac{1}{y^{2}} + \frac{1}{y^{3}} + \frac{1}{y^{4}} + \frac{1}{y^{5}}$ is

-1

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y^{4} \div y

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