1.

निम्नलिखित व्यंजको के प्रसार (Expansion) लिखो - (A) `(2x + 3y)^(4)` (B) `(ax - (b)/(x))^(6)` (C) `(x + y)^(8)` (D) `(3x + 2y)^(4)` (E) `((2)/(3)x - (3)/(2x))^(6)`

Answer» (A) `16x^(4)+96x^(3)y + 216x^(2)y^(2) + 216xy^(3) + 81y^(4)`
(B) `a^(6)x^(6) - 6a^(5)x^(4)b + 15a^(4)x^(2)b^(2) - 20 a^(3)b^(3) + 15 (a^(4)b^(4))/(x^(2))-6(ab^(5))/(x^(4))+(b^(6))/(x^(6))`
(C) `x^(8)+8x^(7)y+28x^(6)y^(7)+56x^(5)y^(3) + 70x^(4)y^(4)+56x^(3)y^(5)+28x^(2)y^(6)+8xy^(7)+y^(8)`
(D) `81x^(4) + 216x^(3)y+216x^(2)y^(2)+96xy^(3) + 16y^(4)`
(E) `(64)/(729)x^(6) - (32x^(4))/(27)+(20x^(2))/(3)-20+(135)/(4x^(2))-(243)/(8x^(2))+(729)/(64x^(6))`


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