Question

class 9 math practice set 4.3 pauestio 4 solve​

Answer 1

Answer:

Question 4.

Solve the following equations.

Maharashtra Board Class 9 Maths Solutions Chapter 4 Ratio and Proportion Practice Set 4.3 14

Solution:

Maharashtra Board Class 9 Maths Solutions Chapter 4 Ratio and Proportion Practice Set 4.3 15

This equation is true for x = 0

∴ x = 0 is one of the solutions.

If x ≠ 0, then x2 ≠ 0

∴ 112x–20 = 18x+12 … [Dividing both sides by x2]

∴ 8x + 12 = 12x – 20

∴ 12 + 20 = 12x – 8x

∴ 32 = 4x

∴ x = 8

∴ x = 0 or x = 8 are the solutions of the given equation.

Step-by-step explanation:

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