Factorise
a) 121a^2 - 1446b^2
Answers
Answered by
0
Answer:
YOUR ANSWER
Step-by-step explanation:
Given expression is 121a
2
+154ab+49b
2
Using (x+y)
2
=x
2
+y
2
+2xy
We have x=11a,y=7b
Therefore, 121a
2
+154ab+49b
2
=(11a+7b)
2
Thus factors are(11a+7b),(11a++7b).
Answered by
0
Answer:
(11a+12b)(11a-12b)
Step-by-step explanation:
(11a)²-(12b)²
a²-b²=(a+b)(a-b)
=(11a+12b)(11a-12b)
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