Question

simplify this..................... ​

Answer 1

${\huge {\mathfrak {Answer :-}}}$

${} (a^2 + 3)^2 + (a^2 - 3)^2 = 2(a^2)^2 + 2(3)^2 = 2a^4 + 18.$

That's it..

Answer 2

Simplify:

Step-by-step explanation:

$\ Given \ value: \\\\(a^2 +3)^2 +(a^2 -3)^2 \\\\\ Formula: \\\\(a+b)^2= a^2+b^2+2\cdot a \cdot b\\\\\ Solution: \\\\\rightarrow ((a^2)^2 +3^2+2.a^2.3) +((a^2)^2 +3^2-2.a^2.3) \\\\\rightarrow (a^4 +9+6a^2) +(a^4 +9-6a^2) \\\\\rightarrow a^4 +9+6a^2 +a^4 +9-6a^2 \\\\\rightarrow 2a^4 +18\\\\\rightarrow 2(a^4 +9)$

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