Question

please answer this question fast​

Answer 1

Answer :

Let a = 4 , b = 7

then a + b = 4 +7 = 1 and ab = 4 × 7 = 28

a cube + b cube = ( a + b ) ( a^ - ab + b^ )

43 + 73 = ( 4 + 7 ) ( 42 - 28 +72 )

= 11 × ( 16 - 28 + 49 )

= 11 × ( - 12 + 49 )

= 11 × 37

= 407

Hence proved

hope this helps you ✌️

Answer 2

Density is proportional to mass and volume

100%