1.

If a = c then prove that a+b = c+db d a-b c-da = using componendob d + 1 = c + da+b = c+d --------- 1a = c using devidendob da - 1 = - 1ba-b = ----------- 2 b d equation 1 divide by equation 2a+b = c+d b da-b c-d b da+b X = X d b a-b d a+b = c+da-b c-d​

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DREAM dream

Step-by-step explanation:

all answer will COME in your dream so wait for NIGHT



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