The term in the expansion:
T ( k+1) = n C k * A^(n-k) * B^k.
In this case: n = 11, k + 1 = 8, so k = 7.
A = x, B = - 3 y
T 8 = 11 C 7 * x^(11-7) * ( - 3 y )^7 =
=( 11 *10 * 9 * 8 * 7 * 6 * 5 ) / ( 7 * 6 * 5 * 4 * 3 * 2 * 1 )* x^4 * ( - 2,187 y^7 ) =
= 330 * ( - 2,187 ) x^4 y^7 = - 721,710 x^4 y^7
Answer: The 8th term in expansion is
Answer:6
Step-by-step explanation: PQRS is 2x the size of ABCD
Answer:
LJ and GE
Step-by-step explanation:
Answer:
2/1and6/3 because if you do cross multilication they both equal 6
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
12568*.45 = 5655.6
c is best answer here
