The value of a + 1 a + 2 a + 2 1 a + 2 a + 3 a + 3 1 a + 3 a + 4 a + 4 1 is

Question

Aicharya · Accepted Answer

R 2 &#8594; R 2 - R 1 and R 3 &#8594; R 3 - R 1 &#916; = a + 1 a + 2 a + 2 1 a + 2 a + 3 - a - 1 1 0 a 2 + 7 a + 12 - a 2 - 3 a - 2 2 0 = a 2 + 3 a + 2 a + 2 1 2 a + 2 1 0 4 a + 10 2 0 = 4 a + 2 - 4 &#160; a - 10 = 4 a + 8 - 4 a - 10 = - 2

The value of a + 1 a + 2 a + 2 1 a + 2 a + 3 a + 3 1 a + 3 a + 4 a + 4 1 is

Solution