Simplify ( 5 √3 − √7 ) × (5 √3 + √7 )
Answers
Answered by
0
Step-by-step explanation:
=(5√3)²+(√7)²
=75+7
=82
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Answered by
1
Answer:
68
Step-by-step explanation:
(5√3 - √7 )× (5√3 + 7 )
= (5√3)^2 - ( √7)^2
( a + b )(a - b) formula
=25×3 - 7
=75 - 7
= 68
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