Math, asked by aakanshs, 4 months ago

81a2-121b2 factorise

Answers

Answered by TrAnSLIMit

3

Step-by-step explanation:

${81a}^{2} - 121 {b}^{2}$

${(9a})^{2} - {(11b)}^{2}$

$(9a + 11b)(9a - 11b)$

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Answered by shreekrishna35pdv8u8

3

Answer

Step-by-step explanation:

81a²-121b²

=(9a)²-(11b)²

=(9a+11b)(9a-11b)

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