Advertisements
Advertisements
प्रश्न
Find the sum of: a2 + b2 + 2ab, 2b2 + c2 + 2bc and 4c2 -a2 + 2ac
Advertisements
उत्तर
a2 + b2 + 2ab, 2b2 + c2 + 2bc and 4c2 -a2 + 2ac
a2 + b2 + 2ab + 2b2 + c2 + 2bc + 4c2 -a2 + 2ac
= a2 - a2 + b2 + 2b2 + c2 + 4c2 + 2ab + 2bc + 2ac
= 3b2 + 5c2 + 2ab + 2bc + 2ac
APPEARS IN
संबंधित प्रश्न
Write numerical co-efficient of the following: – 9a2b3
Simplify: -5ax2 + 7ax2 – 12ax2
Subtract the second expression from the first:
a2 + ab + c2, a2 - d2
Simplify: `10 – {4"a" – (7 – bar ("a" - 5) - (5"a" - bar(1 + "a")))`
Factorised form of p2 + 30p + 216 is (p + 18)(p – 12).
Identify the numerical coefficient of term (other than constant) in the following expression:
− p2q2 + 7pq
Identify the numerical coefficient of term (other than constant) in the following expression:
1.2 a + 0.8 b
Identify the numerical coefficient of term (other than constant) in the following expression:
3.14 r2
Identify term and factor in the expression given below:
0.1 p2 + 0.2 q2
Arjun bought a rectangular plot with length x and breadth y and then sold a triangular part of it whose base is y and height is z. Find the area of the remaining part of the plot.
