Page 163 - Fixtures

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, .k = 5 .15 − 3k = 0 ()

.T6 = C(15, 5)× 25 = 96096

.  2x 2 − 1 10
x

. .11

.T6 = C (10, 5)(2x 2 )5  −1 5 = −8064x 5 .k = 5
x ()

.(x − 2)(x2 + 1)8 x5

(x + 2)(x2 + 1)8 = x(x2 + 1)8 + 2(x2 + 1)8

x4 x5

.Tk+1 = C(8,k)(x 2)k = C(8,k)x 2k , . x5
.k = 2 2k = 4
x 5 2k =/ 5

T3 x5 , . 2(x2 + 1)8
C(8,2)x4 ×x = 28x5 . x(x2 + 1)8
. 28

.r n (1 + rx)n = 1 − 12x + 60x2 − ()

(1 + rx)n = 1 + nrx + n(n − 1) r2x2 +
2