Math, asked by groverrajni0577, 8 months ago

if
n /2
-3 n /4+ 5n =21
then
then which
the answer

Answers

Answered by singhprince0457

1

Answer:

Step-by-step explanation:

4+√5/4-√5 = (4+√5)²/4²-(√5)² = 16+5+8√5/16-5 = 21+8√5/11 = a+b√5

on comparing,

a=21/11

b=8/11

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