Math, asked by farazabbas, 1 year ago

find the value of : 5ab +7bc - 3ca , when a=2 , b= 3 and c= 4?


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Answers

Answered by Adithyavaranasi
18
= 5ab+7bc-3ca
=5(2)(3)+7(3)(4)-3(4)(2)
=30+84-24
=30+60
=90

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Answered by Lucksmi
23
5ab+7bc-3c
a=2
b=3
c=4
= 5(2)(3)+7(3)(4)-3(4)(2)
=5(6)+7(12)-3(8)
=30+84-24
=90
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