Question

Write 6i^2+7i^2+3i^2+5i^2-4 in the form of a+ib and find the square root

Answer 1

= 6i^2 + 7i^2 + 3i^2 + 5i^2 - 4

= -6 -7 -3 -5 -4

= -25

= -25 + i.0

a = -25 , b= 0

√(-25)

√[-1][25]

5i

THIS IS THE REQUIRED ANSWER

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