... n -^ +oo a) a„ 2/ 2 - / ^ + 3 /2^ -5 /2 + b)&n = n^ +A n^ +n 2/ IV /2 c) f n = -T^ n^ +2n-l e) «„ = 2" + 3" - 4" + g) "n = 148 2. 4" + 2" (2 - 3nf{n + if d)rfn = I-An f)v„ = h)v„ ' yf2^" V "" J + • ... lim x-> -2 x^ + - = lim x^ -2, x +2 (x + 2) fVx2+5 + 3J = lim ( ^X-^^) =Uni ^ ^^ -2 (X + 2) Vx^ + + ^^ -2 Vx^ + + VI-1 , (VI - l)(VIT3 + 2) g) lun • = lim -^ x^\yjx + 3 -2 x^\ (Vx - l)(Vx + + 2) ~ ;r'^l ... x2 5x 5x + + 44 jt^r X Um (2x2 _ j ^ ^ ^2) = -16 < 0, Um (x2 - 5x + 4] = v_,.4+V va vx->\ _».i- \ / v_^/l+V / x2 - 5x + > vdi mgi x > nen , 2x2 _ j ^ ^ j2 Um — = -CO x-*A^ X - 5x + Um (2x2...