Let A= bmatrix a&b &d bmatrix and B= bmatrix bmatrix bmatrix 0 0 bmatrix such that AB = B and a + d = 2021,...

Question

Let A= bmatrix a&b &d bmatrix and B= bmatrix bmatrix bmatrix 0 0 bmatrix such that AB = B and a + d = 2021, then value of ad – bc is equal to __________.

Accepted Answer

2020

JEE Main 2021 Mathematics question

Solution