2. Using the identity [1 2 1 [2 0 –1 1 2 -6 5 - -4 3 compute -6 5 [1 1 Hint: 2 -1 I2 1 2 -1

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Q: (7- 8)2 | /8-ん (e-)」ade-)|I/8-ん Hence, 2By < 1, (7 – 6)2 vhich can be written as |a(y – 8) + 3||y –…

Q: 1 2 a) Let A =-1 [1 2 B = 2 2 -1] [1 0 3 and C = 2 1 li 1 31 1 1 1 If possible, -2 1] li 3 | compute…

Q: 1. Perform the following operations A+B A - B 2A-B A = 32- -11 [0 2 1] 5, B = 5 4 2 2 1 0 2 4 0 1 2

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Q: Show that det [1 1 0 0 1 1 0 0 1 0... 0 0 1 ⠀ ... 0000 1000... 00 00 11 0 1 = 1+ (-1)"+¹.

Q: 3. Compute the det A for 0 1 -1 0 -1 3 1 2 A = 2 2 0 -1 - 0 1 -2 1

Q: 9. Prove the following algebraic identity: (a - b)(a? + ab +b?)=a' -b'

Q: -3 Let A = -1 -12 -5 5 20 -47] -21 80 Use the fact that det (A) = 5 to compute -6 -2 10 -10 40 -94…

Q: lim,-1 f(x) =

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Q: ow that postage 6 cel using or imps. (Consider the basis step for 6 and 7 cents, and the generic…

Q: Find the cofactor of the element a22- 3 4 4 - 2 -1 1 1 4 1 О А. -8 О в. 8 С. - 1 O D. 1