solve maths class 9
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Step-by-step explanation:
it factories by two methods
first is from identity
second by direct factories
I tell by identity
we have to use 6 identity for
1.question
Answer:
i(4a +5b )(4a +5b )(4a +5b )
ii) (5x - 3y) (5x - 3y) (5x - 3y)
iii) didn't understand very sorry
iv)
Step-by-step explanation:
i)
where a= 4a and b = 5b
ii
where a= 5x & b = 3y
iii) didn't understand sorry
iv)