Factorize:
216a cube -2 root2 b cube\
Guys plz solve...
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Factorize:
216a cube -2 root2 b cube\
Guys plz solve...
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=(216)^3 - ( √2)^3b^3
=(216)^3 - (√2b)^3
a^3 - b^3 = ( a- b) {a^2 + ab + b^2 }
here , a = 216 , b = √2b
(216)^3 - (√2b)^3 =( 216 - √2b) { (216)^2
+ 216(√2b) + (√2b)^2 }
= (216 - √2b ){ 46656+216√2b + 2b^2 }
hope it helps !
thank you!