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postnew [5]
2 years ago
13

Please help how do I do this ??

Mathematics
1 answer:
AleksAgata [21]2 years ago
3 0
For 10 here is the answer and for 9 i’ll reply to my comment

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If a = i - 9k and b = j + k , find ab .
Orlov [11]

Answer:

solution

given a=1_9k and b=j+k

Now,ab=(1_9k)(j+k)

=1((j+k)-9k(j+k)

=j+k_9jk-9k^2

=k_9k^2+j_9jk

=k((1_9k)+j(1_9k)

=(1_9k)(k+k)

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F(-3)= 1
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if f(x)= -2 then x=3
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2:c

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Step-by-step explanation:

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