Question

expand : (m+ 2n 3r)²
​

Answer 1

Step-by-step explanation:

> > 2 < < ∞ Real, inverted and

enlarged

u = f = ∞ Real, inverted and

highly enlarged

f > u > 0 Behind the mirror Virtual, erect and

enlarged

i) When an object is placed at 30 cm in front of a

concave mirror, image of the same size is formed.

What is the focal length of the mirror?

ii) Differentiate between virtual image formed by a

concave mirror and of a convex mirror.

iii) A virtual, erect and magnified image of an please add me to brain list

please please

Answer 2

Answer:

Step-by-step explanation:

m² + 2n² + 3r² + 2 * m * 2n + 2 * 2n * 3r + 2 * 3r * m

= m² + 4n² + 9n² + 4mn +  12nr + 6mr