Math, asked by anitamodiyam, 5 hours ago

if A [ 1/2,3/4] find the value of B
When A2+ 2A+ B=0

Answers

Answered by jigyasagupta2809
1

Answer:

Given, A=[21−12] Now, A2=[21−12][21−12]=[4−12+2−2−2−1+4]

⇒ A2=[34−43]

Now, A2+2A−3l=[34−43]+2[21−12]−3[1001]

=[3+4−3−4−2−04+2−03+4−3]=[46−64]

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