Question

A
1
2
B
2
9
and (ATB)² =A2 +6²
- 2
then find value of
of a anda
2
2
-1-2
а
A[12-1-2]B[2a_1b] and a2+b2=a2+b2

.
0
- 6
3
17 then prove that A²-5A+7=0​

Answer 1

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