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Q15 of 108 Page 80

Find A² – 5A + 6I, if

A² = A.A

Now, A² – 5A + 6I

More from this chapter

14

Show that

14

Show that

16

If, prove that A₃ – 6A² + 7A + 2I = 0

17

If , find k so that A² = kA – 2I