Math, asked by brainmaster1r2, 1 year ago

${9x }^{2} - 12x + 4 \\ {3x}^{3} - {x }^{2} - 3x + 1 \\ 1 - {64a}^{3} - 12a + {48a}^{2}$
factorise them

Answers

Answered by NancySingh201

I hope my answer is helpful for you.

Attachments:

brainmaster1r2: it is helpful but there was three questions

NancySingh201: Sorry mujhe jitna aaya maine solve kiya

brainmaster1r2: ok thanks for that

brainmaster1r2: can you answer third one

Answered by Sanskriti141

Hii there!!!

1) 9x^2 - 12x + 4

Indentity used { ( a-b)^2 = a^2 + b^2 -2ab}

=> ( 3x )^2 - 2 (3x)(2) + (2)^2

=> ( 3x - 2 ) ^2 or ( 3x - 2 )( 3x - 2 )

2) Refer to the attachment...

3) I am not confirm for the second

Hope it helps to some extend

Attachments:

brainmaster1r2: can you answer third

Sanskriti141: I am trying to solve

brainmaster1r2: ok

brainmaster1r2: I am also trying

Sanskriti141: from where u have fot this question

Sanskriti141: got*

brainmaster1r2: it was in my Holiday homework work sheet

brainmaster1r2: and only this questions are left in the holiday homework

Sanskriti141: ohkk

brainmaster1r2: can you tell which identity i must use in the third question

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