Question

altaf can do a piece of work in 12 days while balraj does it in 8 days only. if both started working but after 4 days balraj leaves the work. In how many days can altaf complete the work​

Answer 1

Answer:

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Answer 2

Answer:

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formula for class 8th maths:-

• (a + b)2 = a2 + 2ab + b2
• (a – b)2 = a2 – 2ab + b2
• (a + b) (a – b) = a2 – b2
• (x + a) (x + b) = x2 + (a + b)x + ab.
• (x + a) (x – b) = x2 + (a – b)x – ab.
• (x – a) (x + b) = x2 + (b – a)x – ab.
• (x – a) (x – b) = x2 – (a + b)x + ab.
• (a + b)3 = a3 + b3 + 3ab(a + b)

hope it helps you.....☹️

$❥\huge\underline\mathfrak\purple{ItzChiku}$.