bracket root 2 + root 5 bracket whole square
ayushsrivastava13:
answer is 7+2root 10
Hey Mate (✓2+✓5)square = (√2)square +(✓5)square +2×✓2×✓5 == ✓2×✓2+✓5×✓5+2×✓10===2+5+2✓10====7+2✓10 Ans As (a+b)square=a square+ b square+2ab
i had solved before you
but I am with full explanation
i solved in copy
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HEY MATE HERE IS YOUR ANSWER
(√2+√5)²
=2+2√10+5
=7+2√5
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Right answer is 7+2root 10
its correct
so its mean that only bro
no
check the second answer
just below to your answer
ooo sorry
It's ok
by mistake
It's ok
Answered by
0
Answer :
7 + 2√10
Step-by-step explanation :
(√2 + √5)²
Identity : (a + b)² = a² + 2ab + b²
Here, a = √2, b = √5
→ (√2)² + 2(√2)(√5) + (√5)²
→ 2 + 2√10 + 5
→ 7 + 2√10
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