Question

I. find the value
the value of the expression (16 x2 + 36 y ² - 40 xy)
when a = 2/5 and y. 1/5​

Answer 1

Answer:

92

Step-by-step explanation:

(16x2 + 36 y ² - 40 xy) = 0

16 × 2 × 2 + 36 × 1 × 1 - 4 × 2 × 1 = 0

5 5 5 5 5 5

16 × 4 + 36 - 8 = 0

25 25 25

64 + 36 - 8 = 0

25

100 - 8 = 0

25

92 = 0

25

92 = 0

Hope this helps you....