91/4*153/4 using identity
Answers
Answered by
3
153×91/16
= 9178/16
HOPE IT HELPS....
Answered by
5
Answer:
9919
Step-by-step explanation:
=>109×91
=>(100+9)(100-9)
=>by using identity a^2-b^2 = (a+b)(a-b)
=>(100)^2 - (9)^2
=>10000-81
=>9919
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