Question

what is 3a + 4b^3 - 5 = 3 ( 6 ) + 4 ( 2 ) ^3 - 5 = ?

Answer 1

Answer:

a:b=2:5⇒

b

a

=

5

2

(3a+4b):(5a+6b)=

5a+6b

3a+4b

=

b

5a+6b

b

3a+4b

(On dividing both numerator and denominator by b)

b

5a

+6

b

3a

+4

=

5×

5

2

+6

3×

5

2

+4

=

2+6

5

6

+4

=

5

26

×

8

1

=

20

13

Answer 2

Hope this helps you

thanks

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may God bless you and your family

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