Question

If 3a + 2b = 14 and ab = 8 , find 27a³+8b³​

Answer 1

Answer:

the value of A is 4 and b is 2 then the cube of four equal to 64 and cube of two equal to 8 27 into 64 equal to 1728 and 8 into 8 equal to 64 64 + 1728 equal to 1792 answer

Answer 2

Answer:

=(3a)3 +(2b)3

=(3a+2b) {(3a)2 -3a.2b+(2b)2}

=14 . { 9a2-6ab+4b2}

=14 .{9a2-48+4b2}