Question

यदि x = 4 और y = -2, तो 4x²+ 12xy +9y² का ज्ञात करें ।​

Answer 1

Answer:

we have,

x= 4 and y= (-2)

then,. 4x²+12xy+9y²

= (2x)²+2.2x.3y+ (3y)²

= (2x+3y)²

= {(2×4)+3×( -2)}²

= (8-6)²= (2)²=4