Question

without actual calculating find the value of 0.6^3+ 0.7^3 - 1.3^3

Answer 1

These are in the form of a³+b³+c³.   And we know that,  a³+b³ +c³ = 3abc   (0.6)³+(0.7)³+(-1.3)³= 3x(0.6)x(0.7)x(-1.3)   => 1.638 Ans   Hope it helps.   Be Brainly