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Plz help and thanks that u helped me

Plz help and thanks that u helped me-example-1
User Skym
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12^2 = 144

A ) 20^2 - 18^2 = 400 - 324 = 76

B) 8(4^2) + 2^4 = 8(16) + 16 = 128 +16 = 144

C) 15^2 - 3^4 = 225 - 81 = 144


Both B & C


User Parkash Kumar
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