hi guiys plz help me in solving this question
Attachments:
Answers
Answered by
1
Answer:
(A)
Step-by-step explanation:
7 + 3√5 / 7 - 3√5
=7 + 3√5 / 7 - 3√5 × 7 + 3√5 / 7 + 3√5
=(7 + 3√5)^2 / 49 - 45
=49 + 45 + 42√5 / 4
=94 + 42√5 / 4
=2(47 + 21√5) / 4
=47 + 21√5 /2 (Ans)
I think help you :-):-)
Similar questions