If `e_1a n d\ e_2` are respectively the eccentricities of the ellipse `(x^2)/(18)+(y^2)/4=1` and the hyperbola `(x^2)/9-(y^2)/4=1,` then write the value of `2e_1^ 2+e_2^ 2dot`

If e_(1) and e_(2) are respectively the eccentricities of the ellipse (x^(2))/(18)+(y^(2))/(4)=1 and the hyperbola (x^(2))/(9)-(y^(2))/(4)=1, then write the value of 2e_(1)^(2)+e_(2)^(2)

If e_1a n d e_2 are respectively the eccentricities of the ellipse (x^2)/(18)+(y^2)/4=1 and the hyperbola (x^2)/9-(y^2)/4=1, then the relation between e_1a n d e_2 is a.2e_1 ^2+e_2 ^2=3 b. e_1 ^2+2e_2^ 2=3 c. 2e_1^ 2+e_2 ^2=3 d. e_1 ^2+3e_2 ^2=2

If e_1a n d\ e_2 are respectively the eccentricities of the ellipse (x^2)/(18)+(y^2)/4=1 and the hyperbola (x^2)/9-(y^2)/4=1, then the relation between e_1a n d\ e_2 is a. 2e_1 ^2+e_2 ^2=3 b. e_1 ^2+2e_2^ 2=3 c. 2e_1^ 2+e_2 ^2=3 d. e_1 ^2+3e_2 ^2=2

If e_(1) and e_(2) are respectively the eccentricities of the ellipse (x^(2))/(18)+(y^(2))/(4)=1 and the hyperbola (x^(2))/(9)-(y^(2))/(4)=1 , then the relation between e_(1) and e_(2) , is

If e_(1) and e_(2) are the eccentricities of the ellipse (x^(2))/(18)+(y^(2))/(4)=1 and the hyperbola (x^(2))/(9)-(y^(2))/(4)=1 respectively and (e_(1), e_(2)) is a point on the ellipse 15x^(2)+3y^(2)=k , then the value of k is equal to

If e_(1) and e_(2) are the eccentricities of the ellipse (x^(2))/(18)+(y^(2))/(4)=1 and the hyperbola (x^(2))/(9)-(y^(2))/(4)=1 respectively and (e_(1), e_(2)) is a point on the ellipse 15x^(2)+3y^(2)=k , then the value of k is equal to

If e and e^1 are the eccentricities of the ellipse 5x^(2)+9y^(2)=45 and the hyperbola 5x^(2)-4y^(2)=45" then "e e^(1)=

If e_(1) and e_(2) are eccentricities of the ellipse (x^(2))/(18)+(y^(2))/(4)=1 and the hyperbola (x^(2))/(9)-(y^(2))/(4)=1 respectively, then the relation between e_(1) and e_(2) is