(1+x+2x2)20 = a0+a1x+a2x2...................a40x40, If a0+a1+a2+a3....

1.	(1+x+2x2)20 = a0+a1x+a2x2...................a40x40, If a0+a1+a2+a3..................a40=2a a0−a1+a2−a3......................a40=2b. Find the value of a + b ___
Answer» $(1 + x + 2 x^{2})^{20}$ = $a_{0} + a_{1} x + a_{2} x^{2}$ ................... $a_{40} x^{40}$ , If $a_{0} + a_{1} + a_{2} + a_{3} . . . . . . . . . . . . . . . . . . a_{40} = 2^{a}$ $a_{0} - a_{1} + a_{2} - a_{3} . . . . . . . . . . . . . . . . . . . . . . a_{40} = 2^{b}$ . Find the value of a + b ___

(1+x+2x2)20 = a0+a1x+a2x2...................a40x40, If a0+a1+a2+a3..................a40=2a a0−a1+a2−a3......................a40=2b. Find the value of a + b ___

Answer»

$(1 + x + 2 x^{2})^{20}$ = $a_{0} + a_{1} x + a_{2} x^{2}$ ................... $a_{40} x^{40}$ , If $a_{0} + a_{1} + a_{2} + a_{3} . . . . . . . . . . . . . . . . . . a_{40} = 2^{a}$

$a_{0} - a_{1} + a_{2} - a_{3} . . . . . . . . . . . . . . . . . . . . . . a_{40} = 2^{b}$ . Find the value of a + b

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(1+x+2x2)20 = a0+a1x+a2x2...................a40x40, If a0+a1+a2+a3..................a40=2a a0−a1+a2−a3......................a40=2b. Find the value of a + b ___

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