The-integral-part-of-8-3-7-20-is-even-

Question Number 63909 by gunawan last updated on 11/Jul/19

The integral part of {(8 + 3 \sqrt{7})}^{20} is even .

Commented by gunawan last updated on 11/Jul/19

true or false

Answered by Hope last updated on 11/Jul/19

{(8 + 3 \sqrt{7})}^{20}

8^{20} + 20 c_{1} 8^{19} (3 \sqrt{7}) + 20 c_{2} (8^{18}) {(3 \sqrt{7})}^{2} + \dots + {(3 \sqrt{7})}^{20}

l a s t t e r m i s i n t e g r a l p a r t \to 3^{20} \times 7^{10} b u t i t i s o d d

s o s u m o f a l l i n t e g r a l p a r t i s o d d

g i v e n s t a t e m e n t i s f a l s e

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