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3. Solve :, =0, S0l, 2x-10 =0, 2x=10, Xニ5, 4 Find the general term in the expansion, of, 10, Sol, (**), =) (x+A), A =1, n-Y, General term, Trm, nCy X, %3D, 10-Y, 人 3, 5. Find x if, 21, 10-8-Y, 3., 10-25, 2., 入5

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2x -3 = 0, 2x= 3, -3/2, 6 Find the adjoint of L3, 3, Let, A =, 3 3, -5 4, adj.A = 4 -3, 5 311, Findl x' if l 0, S0l, x- 64=0, 2., X =64, %3D, 8 Find the adjoint matrix, of [G, - 2, Sol, A =, 5 -2, 2 -4, adj. A =, -5

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2, -3, is Singular, (9Show that the matrin, 3, 4, 5, 8., ー12, Sol, 2, -3, Let, A =, 3., 5, 4, -12, 4., -3, TAI =, 3., 5, 8-12, 4 5, 8 -12, 3 5, -2, 14-12/, 3 4, -3, 14.8, =1(-48-40) -2(-36 - 20) – 3 ( 24-16), =)(-98)-2(-56) - 3( 8), = - 88+112-24, ニ-112ナ12, . A is, Singular., 10. Find the general term in the expansion

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10. Find the adljoint matrix of, S0l, Let A =, adj. A :4, -3, 4 -2, 11. Find the Yank of the matrix, Let A =, 12, 2., 2ド2, 2, 212メ2, -2-2, 1A)=0, PLA) # 2, Rank 1, P(A) =1, 25 7, 12. Prove that the matin, is singular., L5 -4 -, S0 Let, 257, Let A =, 7., 1., L5 -4 -リ, 7., 2, TA =, 5 -4-11