1. a3+b3+c3+3abc
2. a2+b2+c2
3. a3+b3+c3=0
4. a3+b3+c3=3abc
a3+b3+c3=3abc
1. rcos(θ+π/5)=2
2. rcos(θ+π/5)=4
3. rcos(θ-π/5)=2
4. rcos(θ-π/5)=4
rcos(θ-π/5)=4
1. θ=(π/4)+α
2. θ=(π/3)+α
3. θ=(π/2)-α
4. θ=(π/2)+α
θ=(π/2)+α
1. 10
2. 5
3. 4
4. 3
5
1. r(acosθ-bsinθ)=ab
2. r(acosθ+bsinθ)=ab
3. r(bcosθ-asinθ)=ab
4. r(bcosθ+asinθ)=ab
r(bcosθ+asinθ)=ab
1. a1a2 –b1b2=0
2. a1a2 +b1b2=0
3. a1b2 +a2b1=0
4. a1/a2 =b1/b2
a1/a2 =b1/b2
1. 5=2√3rsinθ-4rcosθ
2. 2=√3rcosθ+2rcosθ
3. 5=-2√3rsinθ-4rcosθ
4. 2=√3rcosθ-2rcosθ
2=√3rcosθ-2rcosθ
1. rsin2θ=2acosθ
2. rcos2θ=2acosθ
3. rcos2θ=asinθ
4. rcos2θ=acosθ
rcos2θ=2acosθ
1. A.G.P
2. H.P
3. G.P
4. A.P
A.P
1. A.G.P
2. H.P
3. G.P
4. A.P
H.P