Matrices and Determinants Part 4

Section: Mathematics

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Question : 3 of 58

Marks: +1, -0

Let f(x)=∫‌

7x10+9x8

(1+x2+2x9)2

‌dx,x>0,

lim

x⟶0

f(x)=0 and f(1)=‌

1

4

.
If A=[

0

0

1

‌

1

4

f′(1)

1

α2

4

1

] and B=adj(adj‌A) be such that |B|=81, then α2 is equal to

[24 Jan 2026 Shift 2]

2
4
3
1

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