Math, asked by krissh1194, 11 months ago

bracket root 2 + root 5 bracket whole square​


ayushsrivastava13: answer is 7+2root 10
PrakharLallanGroup: 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
ayushsrivastava13: i had solved before you
PrakharLallanGroup: but I am with full explanation
ayushsrivastava13: i solved in copy
PrakharLallanGroup: So

Answers

Answered by prathamuttekar27
1

HEY MATE HERE IS YOUR ANSWER

(√2+√5)²

=2+2√10+5

=7+2√5

HOPE IT WILL HELP U

FOLLOW ME...


ayushsrivastava13: Right answer is 7+2root 10
prathamuttekar27: its correct
prathamuttekar27: so its mean that only bro
ayushsrivastava13: no
ayushsrivastava13: check the second answer
ayushsrivastava13: just below to your answer
prathamuttekar27: ooo sorry
ayushsrivastava13: It's ok
prathamuttekar27: by mistake
ayushsrivastava13: It's ok
Answered by FamousOne
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 + 210

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