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Why we have to take x^2 as (1-h)^2 and (1+h)^2.....and how we have to take

Ambica Pallavi , 5 Years ago
Grade 11
anser 2 Answers
Arun

Last Activity: 5 Years ago

Dear student
 
I did not get the question. Please post in elaborated manner.
However,
(1-h)² = 1+h²-2h
(1+h)² = 1+h²+2h

Vikas TU

Last Activity: 5 Years ago

Dear student 
Question is not clear 
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We will happy to  help you 
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