Math, asked by nandhuu49, 1 year ago

maths please solve.....

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Answered by sg2544

hello mate!.....

10) option "a" is correct.

SOLUTION》

$2x ^{3} + 5x {}^{2} - x - k = 0 \\ \\ there \: given \: \: one \: factor \\ x + 2 = 0 \\ x = - 2 \: sub \: this \: value \: in \: eqn \: then \: we \: get \: k \: value.. \\ 2( - 2 {}^{3} ) + 5( - 2 {}^{2} ) - ( - 2) - k = 0 \\ k = - 16 + 20 + 2 \\ k = 6 \\ \\ hope \: it \: helps \: u$

nandhuu49: i want all

sg2544: sry ..thats not possible

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