Answer:
Step-by-step explanation:
(x+y)(−x–y) = (-x-y)(x+y) = -(x+y)(x+y)=-(x+y)² = -(x²+2xy+y²) = -x²-2xy-y²
100
dividing
Triangular Pyramid.
Vertices: A, B, C, D
Edges: AB, AD, BC, CD, BD
Base: BCD
Stuck In same question Jinx
A) 4/7 = 20/35
B) 4/7 = 16/28