Question

Subunit : Expansions form of the square of a Dinomial.
Activity 3
The expanded form of the square
of a binomial
(a+b) = (a b) x (a+b)
a (a + b) + b (b)
- a + 2abb
So that, (a+b)
a + 2ab + b
Expand
1) (5ab6cd)
- (5ab) + 2 * (Sab +6cd) (6cd)
25 a b? + 60abod + 36cd
2) (3x + 4y)
+ 2x ( 3x + 4y) +
9x + 24xy + 16y
3) (52) = (50+2)
= 502 + 2 x 50 x 2 + 2?
+
4) (101)>= (100+1)
=(-+2 X(-)X(-) +(1)
(101) =
68​

Answer 1

Ch-3
Expansion
ex-3.2
Pg-47

Answer 2

Answer:

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