9. The following represents a rectangular field owned by Puneet:
The length of the field is given by the expression
(x2 – x2y – y2) ;
The width is given by the expression (x + y)
a) Write down an expression to represent the area of the field.
b) If the value of x = 9 and y = – 2, calculate the area of the field.
c) Is this rectangular field possible for x = – 2 and y = 4. Comment on your answer and justify that
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Answer:
ਉਸਨੇ ਇੱਕ ਹੋਰ ਬੱਲਾ ਅਤੇ ਉਸੇ ਤਰ੍ਹਾਂ ਦੀਆਂ 3 ਗੇਦਾਂ ਤੋਂ 1300 ਵਿੱਚ ਖਰੀਦੀਆਂ। ਇਸ
ਸਥਿਤੀ ਨੂੰ ਬੀਜ ਗਣਿਤਿਕ ਅਤੇ ਜਿਮਾਇਤੀ ਰੂਪਾਂ ਵਿੱਚ ਵਿਅਕਤ ਕਰੋ ਦਰਸਾਉ)।
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