Question

20a¹²b² - 15a⁸b⁴ factorise it and please write the explanation. ​

Answer 1

20a¹²b²

- 15a⁸b⁴

_________

5 a⁴ b‐²

Answer 2

Answer:

Question :-

➪ 20a¹²b² - 15a⁸b⁴

Solution :-

➪ 20a¹²b² - 15a⁸b⁴

➭ (2 × 2 × 5 × a¹² × b² - 3 × 5 × a⁸ × b⁴)

➭ 5a⁸b²(4a⁴ - 3b²) [ Taking 5a⁸b² common ]

➭ 5a⁸b²(4a⁴ - 3b²)

∴ The value of 20a¹²b² - 15a⁸b⁴ is 5a⁸b²(4a⁴ - 3b²)