Math, asked by Angelo452, 11 months ago

(2a2 + 9)(2a2 + 5) Find using suitable identity

Answers

Answered by kavinram2007
35

Answer:

(x+a)(x+b)

Step-by-step explanation:

x=2a²

a=9

b=5

(x+a)(x+b)=x²+(a+b)x+ab

(2a²)²+(9+5)2a²+9*5

= 4a⁴+14*2a²+45

=4a⁴+28a²+45

hope this answer help u

Answered by omprakashmalviya2000
16

Answer:

4 {a}^{4}  + 28 {a}^{2}  + 45

Step-by-step explanation:

(2 {a}^{2}  + 9)(2 {a}^{2}  + 5)

{ (x + a)(x + b) =  {x}^{2}  + (a + b)x  + ab}

 {(2 {a}^{2} )}^{2}  + (9 + 5)2 {a}^{2}  + (9)(5)

4 {a}^{4}  + (14)2 {a}^{2}  + 45

4 {a}^{4}  + 28 {a}^{2}  + 45

{Hope it helped you...}

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