Inverse Functions Explained in 60 Seconds

If √𝑥+√𝑦=√𝑎, then 𝑑𝑦/𝑑𝑥 is(A) (−√𝑥)/√y(B) −1/2 √𝑦/√𝑥(C) −√𝑦/√𝑥(D) (−2√𝑦)/√𝑥 #maths

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Q) If 𝑓(𝑥)=|𝑥−1|, then 𝑓^′ (1) (A) is -1(B) is +1(C) is 0(D) does not exist

Find the values of 𝛌 if the function 𝐟(𝐱)={((〖𝐬𝐢𝐧^𝟐 𝛌𝐱)/𝐱^𝟐 , 𝐢𝐟 𝐱≠𝟎 𝟏, 𝐢𝐟 𝐱=𝟎)