Grade 9Algebra

root (root ( 7 + root 48)) – (root (7 – root 48) )) =

ra

11 Years agoGrade 9

2 Answers

Akshay

11 Years ago

Let , root (root ( 7 + root 48)) – (root (7 – root 48) )) = x,

square, root ( 7 + root 48) – root (7 – root 48) = x²,

square again, 7+rt48 + 7-rt48 -2rt(49-48) = x⁴ ,

12=x⁴,
ATB

Lakshay

9 Years ago

7+root 48 = 7 + root 2×2×2×2×2×3 so 7+root 48= 7+ 4 root 3Using a+b hole square and middle term spliting answer will beRt3square +rt2square + 2×2×rt 3= 2+rt3 hole square

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root (root ( 7 + root 48)) – (root (7 – root 48) )) =

ra

2 Answers

Akshay

Lakshay

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