Question

If x =15 + 1
then
15-1'
prove that x2-x-1=0​

Answer 1

STEP 1 : PUT THE VALUES OF "X" IN PLACE OF "X".

x2-x-1=0

STEP 2 : R.H.S = (-15+1)*2 -15+1 -1

= -30+2-15-0

=-30+2-15

=-30-13

= -18

= 0

STEP 3 : L.H.S = 0

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Answer 2

Answer:

this is yr ans

Step-by-step explanation:

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