factorise 121-16a²b²
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Answer:
(11+4b)(11-4b)
Step-by-step explanation:
use formula a squared - b squared
Answered by
0
Step-by-step explanation:
121 - 16 a^2b^2
use (a^2 -b^2) = (a+ b) (a-b)
(11)^2 - (4ab)^2
= ( 11 - 4ab) ( 11 + 4ab )......
it is the ans...
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