1.

Evahate [i¹9+(1/I)²5]²

Answer»

Above Equation,

i means √-1

i19 = - i

1/i = -i

(1/i)25 = (-i)25 = -i

So, Put all the values in the equation,

\([ i ^{19} + (\frac{1}{i})^{25}]^{2}\\ [ -i -i]^{2}\\ [-2i]^2\\ 4i^2\\ 4*-1\\ -4 \\ Ans\)



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