Question

If (1−x+x²)ⁿ=a0+a1x+a2x²+....+a2nx²ⁿ, then a0+a2+a4+....+a² is equal to
a.3ⁿ+1/2
b.3ⁿ1/+2
c.3ⁿ⁻¹+1/2
d.3nⁿ⁻¹−1/2

Answer 1

Answer:

Step-by-step explanation: