Question

simplify✓(5^2-4^2) ,√(5^2+12^2)

Answer 1

Hey friend,
Here is the answer you were looking for:
1). √(5^2 - 4^2)

= √( 25 - 16)

= √( 9)

= √3^2

using the identity
√a^2 = a

= 3


2). √(5^2 + 12^2)

= √(25 + 144)

= √169

= √13^2

using same identity

= 13

Hope this helps!!!!!

Thanks...
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