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CBSE Class 9 Answered

a to the power of negative 1 end exponent over a to the power of negative 1 end exponent space plus space b to the power of negative 1 end exponent space plus space a to the power of negative 1 end exponent over a to the power of negative 1 end exponent space minus space b to the power of negative 1 end exponent
Asked by sarinprakash24 | 22 Jul, 2019, 11:58: AM
Expert Answer
begin mathsize 16px style straight a to the power of negative 1 end exponent over straight a to the power of negative 1 end exponent plus straight b to the power of negative 1 end exponent plus fraction numerator begin display style straight a to the power of negative 1 end exponent end style over denominator begin display style straight a to the power of negative 1 end exponent end style end fraction minus straight b to the power of negative 1 end exponent end style
begin mathsize 16px style equals 1 plus 1 over straight b plus 1 minus 1 over straight b end style
= 2
Answered by Sneha shidid | 22 Jul, 2019, 12:13: PM

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