Math, asked by cutejatti37, 11 months ago

plz plz guys answer me​

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cutejatti37: yrr koi to ans. do

Answers

Answered by laxmanacharysangoju
1

z= +1 or -1 but condition is z is not equal to( -1).Hence

(z-1)÷(z+1) =(1-1)÷(1+1)

=0÷2

=0

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