M Madhu π Tutor II β 12.07K Points Q. The factorisation of am2 + bm2 + bn2 + an2 is (A) (a + b)(m2 – n2) (B) (a + b)(m2 + n2) (C) (a – b)(m2 + n2) (D) (a – b)(m2 – n2) ποΈ Show Answer π¬ Discuss π Share β Correct Answer: (B) (a + b)(m2 + n2)