Question

find the value of a and b if a=1 and b=2 in 25 a^2-40 ab+16 b^2​

Answer 1

Answer:

9

Step-by-step explanation:

given

a = 1,

b = 2.

so we will put this value in ,

25a^2-40ab+16b^2

solution,

25(1*1)-40(1*2)+16(2*2). [ we have put the value of a,b]

25*1-40*2+16*4

25-80+64

25 - 16

9 = ANSWER