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Factorise 7√2k^2-10k-4√2.

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Factorise 7√2k^2-10k-4√2.

Posted by Arnav Yadav 5 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years, 4 months ago

7√2k² - 10k - 4√2

=> For factorising with the help of middle term splitting

we have to multiply the coefficient of k² and constant term.

7√2 × 4√2 = 56

LCM -- 2 × 2 × 2 × 7

Now, we have to split 56 either by adding or by subtracting.

7√2 k² - 14k + 4k - 4√2

7√2 k ( k - √2 ) + 4 ( k - √2 )

( 7√2k + 4 ) ( k - √2 )

1Thank You

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