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Alborosie
3 years ago
10

You are given the equation (2x^ny^2)^m = 4x^6y^4. Find two positive​ integers, m and​ n, that make the equation true.

Mathematics
1 answer:
olganol [36]3 years ago
7 0

Answer:

m = 2

n = 3

Step-by-step explanation:

Given

(2x^ny^2)^m = 4x^6y^4

Required

Solve for m and n

Start by opening the bracket using laws of indices

2^mx^{n*m}y^{2*m} = 4x^6y^4

Express 4 as 2²

2^mx^{n*m}y^{2*m} = 2^2x^6y^4

Compare both sides of the equation, we have:

2^m = 2^2 --- (1)

x^{n*m} = x^6 --- (1)

y^{2*m} = y^4  ---- (2)

In (1)

2^m = 2^2

2 cancels out on both sides; so, we have

m =2

In (2)

x^{n*m} = x^6

x cancels out on both sides; so, we have

n * m = 6

Substitute 2 for m

2 * n = 6

Divide through 2

n = 3

In (3)

y^{2*m} = y^4

y cancels out on both sides; so, we have

2 * m = 4

Divide through 2

m = 2

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