Question

if a-3=1/a find the value of a^2+1/a^2
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Answer 1

Step-by-step explanation:

a-(1/a)=3

sqaure the equation on both sides

[a-(1/a)]^2 = 3×3

a^2 + (1/a)^2 +2(a×(1/a))=9

a^2+(1/a)^2 +2=9

a^2+(1/a)^2= 7

Answer 2

Answer:

11

Step-by-step explanation:

i hope u understand the sum..

see the image..