Forwarded from Deleted Account
R = √(a² + b² + ab )
R = √(9 + 196 + 42)/3
R= √247/3
π r² = 82(1/3)π
R = √(9 + 196 + 42)/3
R= √247/3
π r² = 82(1/3)π
Forwarded from 𝐘𝐚𝐦𝐫𝐚𝐚𝐣ᵍᵘʲʲᵃʳ
x(x-3)=-1
x+1/x=3
x³+1/x³=27-9=18
x³(x³-18)=-1
x+1/x=3
x³+1/x³=27-9=18
x³(x³-18)=-1
Forwarded from Deleted Account
1-2sin^2x+asinx=2a-7
2t^2-at+2a-8=0
D>=0
A-8)^2>=0
True for any values of a quadratic has real solutions but
Sinx=a+a-8/4. Sinx=a-a+8/4
. Sinx=2. Not possible
Sinx=2a-8/4 =a/2-2
-1<=a/2-2<=1
1<=a/2<=3
2<=a<=6
(2,3,4,5,6). It has 5 solutions
2t^2-at+2a-8=0
D>=0
A-8)^2>=0
True for any values of a quadratic has real solutions but
Sinx=a+a-8/4. Sinx=a-a+8/4
. Sinx=2. Not possible
Sinx=2a-8/4 =a/2-2
-1<=a/2-2<=1
1<=a/2<=3
2<=a<=6
(2,3,4,5,6). It has 5 solutions