Question

ing by using a suitable identity

(b) 2a5 - 54 a2​

Answer 1

Step-by-step explanation:

${2a}^{5} - 54 {a}^{2} \\ take \: {2a}^{2} as \: common \\ {2a}^{2}( {a}^{3} - 27) \\ = {2a}^{2} (a - b) \: ( {a}^{2} + ab + {b}^{2} )$

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