(Root 5 + root 7)(10 root 5 - 6 root 7)
Answers
Answered by
3
Answer:= 43 + 4√35
Step-by-step explanation:
(√5+√7) (10√5-6√7)
= √5×(10√5-6√7) + √7×(10√5-6√7)
= 10×5 -6√(5×7) + √7×10√5- √7×√7
= 50 - 6√35 + 10√35-7
= 43 + 4√35
Answered by
2
Answer:
(√5+√7)(10√5-6√7)
=√5(10√5-6√7)+√7(10√5-6√7)
=50-6√35+10√35-42
=(50-42)-6√35+10√35
=8+4√35
8+4√35
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