1.

Give possible expression for length, breadth and height of a cuboid whosevolume is 2ky^2 − 14ky + 20k.​

Answer»

Step-by-step EXPLANATION:

\sf \large \blue{ \star \: GIVEN}

\displaystyle \sf \: Volume \:  of  \: cubiod \:  = 2k {y}^{2}  - 14ky + 20

\sf \large  \blue{\star TO  \: FIND}

\sf \: Possible  \: dimensions \:  of \:  cubiod

\sf \large \blue{ \star SOLUTION}

\displaystyle \sf \: Volume \:  of  \: cubiod \:  = 2k {y}^{2}  - 14ky + 20  \\ \sf common \: the \:  \: same \: term \\  \sf \:  = 2k( {y}^{2}  - 7y + 10) \\  = \sf \:  2 \times k \times ( {y}^{2}  - y7 + 10)

\sf \: volume \: of \: cubiod \:  =( length) \times (breadth) \times (height) \\  \sf \: compare \: it \:  \: with \: the \: volume \: given \: we \: get \\

\sf \: dimensions \: of \: cubiod \: is \:   \\  \sf\: 2 \: and \: \: k \:  \: and \: ( {y}^{2}  - 7x + 10)



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