Question

If (5,2) is the solution of 2x+5y = 20, ax – by = 0, then (a,b) =​

Answer 1

Answer:

(1). (2, 5)

Step-by-step explanation:

2x + 5y = 20

ax - by = 0 ← this function is in proportional relation y =  ⇒ (0, 0) is another zero of the function. Thus, we have to write the equation for line passing through (5, 2) and (0, 0)

the slope of the line is m = =

y - 2 = (x - 5) ⇒ y = x ⇒ 5y = 2x ⇒ 2x - 5y = 0

Thus, a = 2 and b = 5

(a, b) = (2, 5)

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