1/√9-√8 is equal to
i) 1/2(3-2√2)
ii)1/3+2√2
iii)3-2√2
IV)3+2√2​

Question

1/√9-√8 is equal to
i) 1/2(3-2√2)
ii)1/3+2√2
iii)3-2√2
IV)3+2√2​

in progress 0
Faith 11 months 2021-06-22T06:56:00+00:00 1 Answers 0 views 0

Answers ( )

    0
    2021-06-22T06:57:25+00:00

    Answer:

    iv)3+2√2

    Step-by-step explanation:

    after rationalization of 1/√9-√8,

    multiply √9+√8 both in numerator as well as denominator,we get

    (√9+√8)/(9-8) { in denominator we use a²-b²=(a-b)(a+b) therefore it becomes 9-8}

    so 1/(√9-√8)=√9+√8

    =3+2√2

Leave an answer

Browse

9:3-3+1x3-4:2 = ? ( )