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If a = -2 and b = 4, how do you find b – a^2?

1 Answer

Jun 24, 2016

0.

Explanation:

Reqd. Value $= b - a^{2} = 4 - {(- 2)}^{2} = 4 - (- 2 \times - 2) = 4 - 4 = 0 .$ $=b-a^2=4-(-2)^2=4-(-2xx-2)=4-4=0.$

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