Answer:
4w^2 +4w+1
this is the product.
Step-by-step explanation:
Answer:
12 x 12 = 144, 12 x 13 = 156
Step-by-step explanation:
Answer:
u = fv/(v - f)
Step-by-step explanation:
1/f = 1/u + 1/v
1/u = 1/f - 1/v = v/fv - f/fv = (v-f)/fv
1/u = (v-f)/fv
u = fv/(v - f)