Simplify
√5-√2
______
√5+√2
Answers
Answered by
1
Answer:
(
5
+
2
)(
5
−
2
)
We know that (a+b)(a−b)=a
2
−b
2
=(
5
+
2
)(
5
−
2
)
=(
5
)
2
−(
2
)
2
=5−2
=3
Step-by-step explanation:
I hope it is helpful to you please give me thanks
Answered by
1
Answer:
7-2√10
_____
3
Step-by-step explanation:
√5-√2/√5+√2
Now rationalize the fraction,,,
(√5-√2/√5+√2) × (√5-√2/√5-√2)
; (√5-√2)(√5-√2) ÷ [(√5-√2)(√5+√2)]
; [(√5)^2 + (√2)^2 - 2 × √5 × √2] ÷ [(√5)^2-(√2)^2]
; 5+2-2√10 ÷ 5-2.
; 7-2√10
_____
3
HOPE IT WILL BE HELPFUL
Similar questions