Question

(2√2+5√3-7√5)+(3√3-√2+√5)​

Answer 1

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(22+53−75) and (33−2+5)

By adding both

=(22+53−75)+(32−2+5)

On further calculation

=(22−2)+(53+33)+(−75+5)

So we get

=(2−1)2+(5+3)3+(−7+1)5

By simplification

=2

Answer 2

Answer:

2/5 × (-3/7) -(1/4) -(3/7) × 3/5 - Get the answer to this question by visiting BYJU'S Q&A Forum.

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Top answer:  

Answer: Given equation ⇒ ⇒ ⇒ = -1/2 Hence, 2/5 × -3/7 -- 1/14 -- 3/7 × 3/5=-1/2

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