" 15) Prove that "(1+i)^(4)times(1+(1)/(i))^(4)=16

Prove that (1 + i)^4 = -4

Prove that (1 - i)^(4) = -4 .

The value of (1+i)^(4)(1+(1)/(i))^(4) is

Prove that (1+i)^4(1+1/i)^4=16

Prove that : (1+i)^4 xx(1+1/i)^4=16 .

((1+i)/(1-i))^(4)+((1-i)/(1+i))^(4)=

Prove that abs((1+i)/(1-i)) = 1

Prove that: (i) (1-i)^(2)=-2i (ii) (1+i)^(4)xx(1+(1)/(i))^(4)=16 (iii) {i^(19)+((1)/(i))^(25)}^(2)=-4 (iv) i^(4n)+i^(4n+1)+i^(4n+2)+i^(4n+3)=0 (v) 2i^(2)+6i^(3)+3i^(16)-6i^(19)+4i^(25)=1+4i .

Prove that (1+i)^4 x (1+frac{1}{i})^4 = 16

FInd the value of \ (1+i)^(4) xx (1 + (1)/(i))^(4)