a⁴+5a²+9
factorise the above equation
Answers
Answered by
1
Answer: a^4 + 5a^2 +9 =0
a^4 +5a^2 = -9
a^2( a^2 + 5)= -9
Thus
a^2 = 3, -3
And
a^2 = -3/5, 3/5
THUS a= root 3, -root3, root3/root5, -root3/root5
Step-by-step explanation:
Similar questions