Question

a=5 হলে b=4 হলে 3a2-5ab+6b2?

Answer 1

HEYA FRIEND,

HERE IS YOUR ANSWER,

3a 2 - 5ab +6b 2
3*5*2 - 5*5*4 + 6*4*2
30 - 100 + 48
78 - 100
-22

HOPE IT HELPS YOU

Answer 2

3*(5)*2 - 5*(5)*(4) + 6*(4)*2
= 30 - 100 + 48
= 178
Hence , 178 is the answer.