Prove that begin mathsize 20px style open vertical bar table row cell open parentheses x minus 2 close parentheses squared end cell cell space space open parentheses x minus 1 close parentheses squared end cell cell x squared end cell row cell open parentheses x minus 1 close parentheses squared end cell cell x squared end cell cell space space open parentheses x plus 1 close parentheses squared end cell row cell x squared end cell cell open parentheses x plus 1 close parentheses squared end cell cell open parentheses x plus 2 close parentheses squared end cell end table close vertical bar equals negative 8 end style

Asked by sunil2791 | 29th Jul, 2017, 10:27: AM

Expert Answer:

begin mathsize 16px style First space expand space he space terms space using space open parentheses straight a plus straight b close parentheses squared space formula
Then space use space the space steps space as space follows colon
1 right parenthesis space straight R subscript 1 rightwards arrow straight R subscript 1 minus straight R subscript 2 space and space straight R subscript 2 rightwards arrow straight R subscript 2 minus straight R subscript 3
2 right parenthesis space straight R subscript 1 rightwards arrow straight R subscript 1 minus straight R subscript 2 space and space straight R subscript 2 rightwards arrow straight R subscript 2 minus straight R subscript 3
3 right parenthesis space straight R subscript 1 rightwards arrow straight R subscript 1 minus straight R subscript 2
4 right parenthesis space simplify space you space will space get space minus 8 end style

Answered by Sneha shidid | 31st Jul, 2017, 10:44: AM