Question

what is the coefficient of ab in the product (5a + 3b) (b - 2a) options :(1) 15 (2) -2 (3) -11 (4) -1​

Answer 1

Answer:

-1 option 4

Step-by-step explanation:

(5a+3b)(b-2a)

by multiplying

we get

→ 5ab - 10a² + 3b² -6ab

→ 3b² - 10a² - ab

so the co efficient of ab is -1

i hope it helps

Answer 2

Answer:

$\mathfrak{\orange{Answer :}}$

( 5a + 3b )( b - 2a )

= $\tt{\orange{5ab - 10a^2 + 3b^2 - 6ab}}$

$\tt{\orange{3b^2 - 10a^2 - ab}}$

Therefore, Answer is ( -1 )

$\tt{\pink{Madarchod}}$

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