Question

Q1) find the product : (y+2) (y-2) (y^2+4) Q2) If 4a^2+b^2=40 and ab=6 , find the value of 2a+b.

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(y − 2 ) ( y + 4 )  First Term, =  ( y − 2 ) ( y+4 )  Outer Term, =  ( y − 2 ) ( y +4 ) Inner Term, =  ( y − 2 ) ( y 4 )  Last Term, = ( y − 2 ) ( y^ + 4 )

If 4a^2+9b^2=97 and ab=6 , find the value of 2a+3b. The answer is 169