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Q : 4 (b) Simplify $\small a(a^2+a+1) + 5$ and find its value for

(i) $\small a =0$

Answers (1)

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We have : $\small a(a^2+a+1) +5 = a^3 + a^2 + a +5$

Put a = 0 : $= 0^3 + 0^2 + 0 + 5 = 5$

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Devendra Khairwa

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