2 years ago

If a- b= 2 and ab= 15 then a3-b3?a) 30 b) 98 c) 20 d) 60full explanation please

Mathematics

2 answers:

krek1111 [17]2 years ago

7 0

Answer:

C) 20

Step-by-step explanation:

ab=15

5*3 = 15

which is a and which is b

a - b = +2

5 - 3 = + 2

------------------

a = 5 and

b = 3

------------------

a3-b3 = 53 - 33 = 20

seraphim [82]2 years ago

6 0

Answer:

The answer is 98

Step-by-step explanation:

A = 5

B = 3

a_b = 2

a × b = 5 × 3 = 15

A3 _ b3 =(5) bower 3 _ (3) power 3 = 98

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If a- b= 2 and ab= 15 then a3-b3?a) 30 b) 98 c) 20 d) 60full explanation please​

If a- b= 2 and ab= 15 then a3-b3?a) 30 b) 98 c) 20 d) 60full explanation please