Question

Maths
of A = 3 x² + y² and c = 5x² + 3xy; then A +C ​

Answer 1

Answer:

$8x {}^{2} + y {}^{2} + 3xy$

Step-by-step explanation:

Given,

$a\: = 3x { }^{2} + y {}^{2} \\ c = 5x {}^{2} + 3xy \\ therefore \: a + c = (3x {}^{2} + y {}^{2} ) + (5x {}^{2} + 3xy) \\ = 3x {}^{2} + y {}^{2} + 5x {}^{2} + 3xy \\ = 8x {}^{2} + y {}^{2} + 3xy$

Hope this will help you!!