Q.18 ] Find the product of ( 9x – 7xy) (9x – 7xy)(a) 81×2 + 49.xºy?(c) 81×2 + 49x+y2 -126xºy(b) 81×2 – 49x+y?(d) 81x² + 49x®y2 – 63x²y About the author Ruby
Answer:
option-D is right option
I hope it’s helpful
nhi pta bro sorry please sorry