factorise L² - La - Lb + ab
please do step by step explanation and do in page if you give the right answer so I Mark you as brainlist
Answers
Answered by
1
Answer:
First 11 consecutive Even numbers are
2,4,6,−−−−−22
Average of their squares =
11
2
3
+4
2
+6
2
+−−−−+22
2
=
11
2
2
(1
2
+2
2
+3
2
+−−−+11
2
)
=
11
4
6
(11)(12)(23)
=184
(using formula 1
2
+2
2
+3
2
+−−−+n
2
=
6
n(n+1)(2n+1)
)
Answered by
2
Answer:
l^2-la-lb+ab
l(l-a)-b(l-a)
( l-b)(l-a)
this is ur answer
hope the answer helps
mark as brainliast
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