If x=√5-4 find the value of x+1/x ka whole square

Question

If x=√5-4 find the value of x+1/x ka whole square

in progress 0
Ella 2 weeks 2021-09-07T06:24:28+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-09-07T06:26:19+00:00

    Answer:

    Given ,

    X= √5-4

    Hence ,1/X= 1/√5-4 = √5+4/(√5)²-(4)²

    =√5+4/5-16= √5+4/-11

    Hence, (X+1/X)²= (√5+4+√5+4/-11)².

    = -11√5-44+√5+4/-11= -10√5-40/-11. = -(10√5+40)/-11= 10√5+40/11

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )