Q. 1 F4.2( 8 Votes )

# Simplify each of

Given:

We re – write the above equation

[, i2 = -1]

Now, we know that,

(a + b)(a – b) = (a2 – b2)

Here, a = 5 and b = i√3

= (5)2 – (i√3)2

= 25 – (3i2)

= 25 – [3 × (-1)]

= 25 + 3

= 28 + 0

= 28 + 0i

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